"turbofan" in the noun sense
1. fanjet, fan-jet, turbofan, turbojet
an airplane propelled by a fanjet engine
2. fanjet, fan-jet, fanjet engine, turbojet, turbojet engine, turbofan, turbofan engine
a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust
Source: WordNet® (An amazing lexical database of English)
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